Project Engineer, Mechanical Engineer

Overview

We’re looking for Project Engineers to support the planning, coordination, and execution of mechanical construction projects. This role serves as a critical link between the field, design team, and project management, helping ensure projects are delivered on time, within budget, and in alignment with contract documents and quality standards. This is an excellent opportunity for someone looking to grow into a Project Manager role within a fast-paced, design-build environment in mechanical contracting.

Since 1954, Jarrell has been building trusted partnershipsin St. Louis and nationwide. As a family-owned, full-service mechanical contractor, we provide end-to-end design-build MEP solutions—from preconstruction and engineering to installation and ongoing service. Our in-house expertise and state-of-the-art prefabrication shops give us unmatched control over quality, safety, and schedule from the start. Specializing in HVAC, plumbing, piping, refrigeration, and control systems, we deliver efficient, high-performing solutions built for long-term reliability.

From data centers and manufacturing facilities to schools and multifamily housing, customerstrust usfor hands-on expertise, innovative thinking, and our commitment to quality, safety, and performance.

• Project Coordination & Execution
  • Assist Project Managers with day-to-day project operations from preconstruction through closeout
  • Coordinate with field teams, subcontractors, vendors, and clients to maintain project progress
  • Track project schedules, milestones, and deliverables to ensure timely completion
  • Prepare, track, and manage submittals, RFIs, and change orders
  • Maintain accurate and organized project documentation, including drawings, specs, and logs
  • Review contract documents to ensure scope alignment and compliance
• Procurement & Cost Control
  • Assist with material and equipment procurement, including vendor coordination
  • Track equipment deliveries and ensure alignment with project schedules
  • Support budget tracking and cost reporting efforts
• BIM & Design Coordination
  • Collaborate with BIM/VDC teams to support coordination efforts
  • Review drawings and assist with constructability analysis
  • Participate in coordination meetings with internal and external stakeholders
• Field Support
  • Conduct site visits to monitor progress and support field teams
  • Assist with problem-solving and coordination
  • Ensure safety, quality, and installation standards are upheld

• Qualifications
  • Bachelor’s degree in Mechanical Engineering, Construction Management, or related field preferred
  • 0–3+ years of experience in construction, mechanical contracting, or related industry
  • Basic understanding of HVAC, piping, and plumbing systems
  • Familiarity with construction documents, drawings, and specifications
• Skills
  • Strong organizational and time management skills
  • Excellent communication and interpersonal abilities
  • Detail-oriented with strong problem-solving skills
  • Ability to manage multiple tasks in a fast-paced environment
  • Proficiency in Microsoft Office (Excel, Word, Outlook)
  • Exposure to BIM tools (Revit, Navisworks) is a plus

• Why Join Us
  • Opportunity to grow into a Project Manager role
  • Hands-on experience with complex mechanical systems and projects
  • Collaborative, team-oriented environment
  • Competitive pay and benefits package including health, dental, and life insurance, 401(k)